07-26-2009
storing output from echo & cut into variable
Hi All,
Hope someone can advise here as I have been struggling to find a syntax that works here. I have tried a stack of combination I have seed in the forums but I think because I have needed to use "" and `` in the statments another method is found.
I am reading in lines with the following
10001:01234393923:0123447834834:01234482742:NNN:
The number of fields may differ between 3 and 17
I need to store the output from the following echo statements to a variable, but cannot seem to do it. When I execute this is works fine, I used echo to allow me to view each line that is being read in from a file I previously created.
echo $EachLine |cut -d":" -f1
echo $EachLine |cut -d":" -f`expr $COUNTER + 1`
Here is the code in context.
---
while read EachLine
do
COUNTER=1
while [ $COUNTER -le $NOPHONES ]
do
echo $EachLine
PHONEPOS=$COUNTER
echo $EachLine |cut -d":" -f1
echo $EachLine |cut -d":" -f`expr $COUNTER + 1`
COUNTER=`expr $COUNTER + 1`
# Output variables below in different order to file2.
#
# End of output to file2
done
done < file1.$$
Thanks in advance for any assistance.
Nigel...
---------- Post updated at 09:47 AM ---------- Previous update was at 09:27 AM ----------
I have managed to get one all but one of the statments working now. using
STRRECNO="`echo "$EachLine" |cut -d":" -f1`"
However the following line does not work I think still due to the `` but I
STRPHONENUM="`echo "$EachLine" |cut -d":" -f`expr $COUNTER + 1``"
Thanks for any help
Nigel...
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
HI
I am trying to store the output of this awk command
awk -F, {(if NR==2) print $1} test.sr
in a variable when I am trying v= awk -F, {(if NR==2) print $1} test.sr
$v = awk -F, {(if NR==2) print $1} test.sr
but its not working out .
Any suggestions
Thanks
Arif (3 Replies)
Discussion started by: mab_arif16
3 Replies
2. UNIX for Dummies Questions & Answers
Hi unix gurus,
I am trying to store the result of a command into a variable.
But it is not getting stored.
x='hello'
y=echo $x | wc -c
but it is giving the output as 0(zero)
Pls help me its very urgent (7 Replies)
Discussion started by: ravi raj kumar
7 Replies
3. Shell Programming and Scripting
Hi all,
I'm creating a script which uses 'defaults read' to retrieve details from an Info.plist like this;
defaults read "/Path/Contents/Info" CFBundleShortVersionString
This works fine in Terminal and returns the expected values.
Is it possible to use this command in a script, and... (0 Replies)
Discussion started by: davewg
0 Replies
4. UNIX Desktop Questions & Answers
Hi,
i have some files in one directory(say some sample dir) whose names will be like the following.
some_file1.txt
some_file2.txt.
i need to get the last modified file size based on file name pattern like some_
here i am able to get the value of the last modified file size using the... (5 Replies)
Discussion started by: eswarreddya
5 Replies
5. UNIX for Dummies Questions & Answers
I'm sure this is a simple thing but I can't figure it out. In a script that I'm writing, I'd like to be able to store each line of output from "ls -l" into a variable. Ultimately I'd like to end up with something like:
for a in `ls -l`
do something with $a
doneBut that's reading each... (2 Replies)
Discussion started by: ewoods
2 Replies
6. Shell Programming and Scripting
Hi,
I am cutting data from a fixed length test file and then writing out a new record using the echo command, the problem I have is how to stop multiple spaces from being written to the output file as a single space.
Example:
cat filea | while read line
do
field1=`echo $line | cut -c1-2`
... (6 Replies)
Discussion started by: dc18
6 Replies
7. Shell Programming and Scripting
Hi!
i'm trying to parse textfiles against a pattern and storing the result in a variable.
The strings i want to get are embraced by and can occur several times in one line, so e.g.
some text anything else endwhat i have so far:
#!/bin/bash
for f in $*
do
exec 3<&0
exec 0<$f
... (2 Replies)
Discussion started by: thoni
2 Replies
8. Shell Programming and Scripting
My script below seems to be choking because I need the the output of the find command to be stored as a variable that can then be called by used lower in the script.
#!/bin/bash
cd "/resumes_to_be_completed"
var1=find . -mmin -1 -type f \( -name "*.doc" -o -name "*.docx" \)... (1 Reply)
Discussion started by: binary-ninja
1 Replies
9. Shell Programming and Scripting
Hi,
My aim is to get the md5 hash of a file and store it in a variable.
var1="md5sum file1"
$var1
The above outputs fine but also contains the filename, so somthing like this 243ASsf25 file1
i just need to get the first part and put it into a variable.
var1="md5sum file1"... (5 Replies)
Discussion started by: JustALol
5 Replies
10. UNIX for Advanced & Expert Users
I have a below syntax its working fine...
var12=$(ps -ef | grep apache | awk '{print $2,$4}')
Im getting expected output as below:
printf "%b\n" "${VAR12}"
dell 123
dell 456
dell 457
Now I wrote a while loop.. the output of VAR12 should be passed as input parameters to while loop and results... (5 Replies)
Discussion started by: sam@sam
5 Replies
LEARN ABOUT DEBIAN
blockdiag
BLOCKDIAG(1) General Commands Manual BLOCKDIAG(1)
NAME
blockdiag - generate block-diagram image file from spec-text file.
SYNOPSIS
blockdiag [options] file
DESCRIPTION
This manual page documents briefly the blockdiag commands.
blockdiag is a program that generate block-diagram image file from spec-text file.
OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is
included below. For a complete description, see the SEE ALSO.
--version
show program's version number and exit
-h, --help
Show summary of options
-a, --antialias
Pass diagram image to anti-alias filter
-c FILE, --config=FILE
read configurations from FILE
-o FILE
write diagram to FILE
-f FONT, --font=FONT
use FONT to draw diagram
--fontmap=FONT
use FONTMAP file to draw diagram
-s, --separate
Separate diagram images for each group
-T TYPE
Output diagram as TYPE format
--nodoctype
Do not output doctype definition tags (SVG only)
--no-transparency
do not make transparent background of diagram (PNG only)
SEE ALSO
The programs are documented fully by
http://tk0miya.bitbucket.org/blockdiag/build/html/index.html
AUTHOR
blockdiag was written by Takeshi Komiya <i.tkomiya@gmail.com>
This manual page was written by Kouhei Maeda <mkouhei@palmtb.net>, for the Debian project (and may be used by others).
May 9, 2011 BLOCKDIAG(1)